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An attacker can exploit this functionality by flooding the network with CTS messages. Then every node assumes there is a hidden node trying to transmit and will hold its own transmissions, resulting in a denial of service. [10] Preventing hidden node attacks requires a network tool such as NetEqualizer. [10]
The attacker must either have physical access to the vulnerable system (e.g. firewire attacks) or a local account (e.g. a privilege escalation attack). 0.395 Adjacent Network (A) The attacker must have access to the broadcast or collision domain of the vulnerable system (e.g. ARP spoofing, Bluetooth attacks). 0.646 Network (N)
A couple of new HAIPE devices will combine the functionality of a router and encryptor when HAIPE IS version 3.0 is approved. General Dynamics has completed its TACLANE version (KG-175R), which house both a red and a black Cisco router, and both ViaSat and L-3 Communications are coming out with a line of network encryptors at version 3.0 and above.
Tamper-evident physical devices are common in sensitive computer installations. For example, network cabling can be run down transparent conduits and switches can be located in glass-fronted cabinets, allowing for any unusual device attached to the network tending to stand out in plain view.
Tamperproofing is a methodology used to hinder, deter or detect unauthorised access to a device or circumvention of a security system. Since any device or system can be foiled by a person with sufficient knowledge, equipment, and time, the term "tamperproof" is a misnomer unless some limitations on the tampering party's resources is explicit or assumed.
The deception is designed to lure the attacker in – the attacker may consider this a worthy asset and continue by injecting malware. Deception technology generally allows for automated static and dynamic analysis of this injected malware and provides these reports through automation to the security operations personnel.
The attack surface of a software environment is the sum of the different points (for "attack vectors") where an unauthorized user (the "attacker") can try to enter data to, extract data, control a device or critical software in an environment. [1] [2] Keeping the attack surface as small as possible is a basic security measure. [3]
When sending data to another device on the network, the MAC sublayer encapsulates higher-level frames into frames appropriate for the transmission medium (i.e. the MAC adds a syncword preamble and also padding if necessary), adds a frame check sequence to identify transmission errors, and then forwards the data to the physical layer as soon as ...